Blasticidin-S deaminase
From Wikipedia, the free encyclopedia
| blasticidin-S deaminase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 3.5.4.23 | ||||||||
| CAS number | 54576-55-5 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / EGO | ||||||||
| |||||||||
In enzymology, a blasticidin-S deaminase (EC 3.5.4.23) is an enzyme that catalyzes the chemical reaction
- blasticidin S + H2O
deaminohydroxyblasticidin S + NH3
Thus, the two substrates of this enzyme are blasticidin S and H2O, whereas its two products are deaminohydroxyblasticidin S and NH3.
This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in cyclic amidines. The systematic name of this enzyme class is blasticidin-S aminohydrolase.
Structural studies
As of late 2007, two structures have been solved for this class of enzymes, with PDB accession codes 1WN5 and 1WN6.
References
- Yamaguchi I, Shibata H, Seto H, Misato T (Tokyo). "Isolation and purification of blasticidin S deaminase from Aspergillus terreus". J. Antibiot. (1): 7–14. PMID 236272.
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